Finding the Fourth Proportional to 16,651.22, 22,978.99 and 9,935.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,651.22 : 22,978.99 = 9,935.56 : x
2. Step 2: Convert to fraction form
   16,651.22/22,978.99 = 9,935.56/x
3. Step 3: Cross multiply
   16,651.22x = 22,978.99 × 9,935.56
4. Step 4: Simplify right side
   16,651.22x = 228,309,175.03
5. Step 5: Solve for x
   x = 228,309,175.03/16,651.22
6. Step 6: Final answer
   x = 13,711.26